Medicinal Herb InfoA reference archive of plants and their traditions
Not medical advice. This site documents how plants have been described and used historically. It is a botanical and folklore reference, not guidance for treating illness, and it carries no dosing instructions. Talk to a doctor or pharmacist before using any plant medicinally — herbs interact with medication and some are toxic.

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Giloy

Botanical reference entry

Parts Usually Used

The stems, roots, and leaves are primarily used. The stem is considered the most medicinally potent part of the plant.

Description of Plant(s) and Culture

Giloy is a large, deciduous climbing shrub that grows up to 3-4 meters tall. It has pale whitish to greyish branches with heart-shaped leaves that are 10-20 cm long and 8-15 cm broad. The flowers are small, greenish-yellow and unisexual, appearing on separate plants. The fruits are red, fleshy drupes growing in clusters of 1-3. The plant thrives in various soil types from sandy to clay loam and prefers tropical to subtropical climates.

Where Found

Native to the Himalayan region, particularly found in tropical areas of India, Nepal, Sri Lanka, Myanmar, China, Thailand, Philippines, Indonesia, and parts of Australia and Africa. It grows well up to elevations of 1000 meters in South Asia.

Medicinal Properties

Giloy demonstrates potent immunomodulatory, anti-inflammatory, antioxidant, antipyretic, anti-diabetic, anti-microbial, hepatoprotective, and cardioprotective properties. It has shown effectiveness in treating various conditions through multiple mechanisms of action. Research has shown its ability to boost immunity, regulate blood sugar levels, reduce inflammation, protect liver function, and improve cardiovascular health.

It also exhibits anti-cancer properties and aids in managing autoimmune conditions.

Biochemical Information

The primary active compounds include alkaloids (berberine, palmatine), terpenoids, lignans, and steroids (beta-sitosterol). It also contains flavonoids, glycosides, polysaccharides, and various phenolic compounds like chlorogenic acid, caffeic acid, and quercetin.

Uses

Historically, traditional practitioners employed giloy for fevers and joint pain associated with arthritis. Folk systems also utilized the plant with the intention of supporting immune function, regulating blood sugar, and promoting digestive and respiratory health. Additionally, traditional herbalists recommended giloy for skin complaints, liver support, and the management of stress.

How Sold

Available commercially in various forms including: Capsules and tablets Powder Juice Decoctions Tinctures Creams and lotions for topical use Tea blends

Warning

While generally considered safe when used as directed, giloy may cause side effects including constipation, stomach irritation, and low blood sugar. It should be used with caution in people with autoimmune conditions as it may overstimulate the immune system. Not recommended for pregnant or nursing women due to insufficient safety data. People taking blood sugar medications should monitor their levels closely when using giloy.

Those with liver conditions should consult healthcare providers before use due to rare reports of hepatotoxicity.